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Finding the Fourth Proportional to 369,210.53, 554,971.83 and 243,657.59

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Solution

The fourth proportional to 369,210.53, 554,971.83 and 243,657.59 is: 366,249.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,210.53 : 554,971.83 = 243,657.59 : x
  2. Step 2: Convert to fraction form
    369,210.53/554,971.83 = 243,657.59/x
  3. Step 3: Cross multiply
    369,210.53x = 554,971.83 × 243,657.59
  4. Step 4: Simplify right side
    369,210.53x = 135,223,098,615.69
  5. Step 5: Solve for x
    x = 135,223,098,615.69/369,210.53
  6. Step 6: Final answer
    x = 366,249.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.